Published August 1979
| public
Journal Article
Carbon-13 nuclear magnetic resonance spectra of natural rubber latex
- Creators
- Ang, T. T.
- Roberts, J. D.
Abstract
The ^(13)C relaxation times (T_1)of the carbons in a sample of rubber latex have been measured for the purpose of determining the practicality of measuring the rubber content from the integrated intensities of the FT NMR ^(13)C resonances without need for using gated decoupling or paramagnetic relaxation agents. The carbon T_l values were found to range from 610 ms (tertiary carbon) to 44 ms for the CH_2 attached to the CH_3-C = carbon of the double bond. These relaxation times are short enough to allow for easy quantitative analyses of the rubber content in a latex, provided the FT pulsing rates are not too fast.
Additional Information
© 1976 Plastics and Rubber Institute. Paper 1341. First received 7 September 1978 and accepted in final form 19 March 1979. The work was supported by the National Science Foundation and the report on which it was based is Contribution No. 5835.Additional details
- Eprint ID
- 61774
- Resolver ID
- CaltechAUTHORS:20151102-150400442
- NSF
- Created
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2015-11-04Created from EPrint's datestamp field
- Updated
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2019-10-03Created from EPrint's last_modified field
- Other Numbering System Name
- Caltech Gates and Crellin Laboratories of Chemistry
- Other Numbering System Identifier
- 5835